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參數(shù)資料

型號：	TS80C31X2-MLBB
廠商：	ATMEL CORP
元件分類：	微控制器/微處理器
英文描述：	8-bit CMOS Microcontroller ROMless
中文描述：	8-BIT, 40 MHz, MICROCONTROLLER, PQCC44
封裝：	PLASTIC, LCC-44
文件頁數(shù)：	9/40頁
文件大小：	484K
代理商：	TS80C31X2-MLBB

Rev. A - Mar. 19, 1999

Preliminary

TS80C31X2

6.2 Dual Data Pointer Register Ddptr

The additional data pointer can be used to speed up code execution and reduce code size in a number of

ways.

The dual DPTR structure is a way by which the chip will specify the address of an external data memory

location. There are two 16-bit DPTR registers that address the external memory, and a single bit called

DPS=AUXR1/bit0(SeeTable5.)thatallowstheprogramcodetoswitchbetweenthem(RefertoFigure 3).

Figure 3. Use of Dual Pointer

External Data Memory

AUXR1(A2H)

DPS

DPH(83H) DPL(82H)

DPTR0

DPTR1

相關(guān)PDF資料	PDF描述
TS80C31X2-MLBD	8-bit CMOS Microcontroller ROMless
TS80C31X2-MLBR	8-bit CMOS Microcontroller ROMless
TS80C31X2-MLEB	Connector assemblies, DIN Audio/RF/Video cables; Connector Type A:5-pin Plug; Cable Length:6ft; Color:Gray; Wire Size (AWG):26
TS80C31X2-MLED	Connector assemblies, DIN Audio/RF/Video cables; Connector Type A:8-pin Plug; Cable Length:6ft; Color:Gray
TS80C31X2-MLER	8-bit CMOS Microcontroller ROMless

相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
TS80C31X2-MLBD	制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless
TS80C31X2-MLBR	制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless
TS80C31X2-MLCB	制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless
TS80C31X2-MLCD	制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless
TS80C31X2-MLCR	制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:8-bit CMOS Microcontroller ROMless

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